CN1921304B - 滤波器以及天线分波器 - Google Patents
滤波器以及天线分波器 Download PDFInfo
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- CN1921304B CN1921304B CN2006101265518A CN200610126551A CN1921304B CN 1921304 B CN1921304 B CN 1921304B CN 2006101265518 A CN2006101265518 A CN 2006101265518A CN 200610126551 A CN200610126551 A CN 200610126551A CN 1921304 B CN1921304 B CN 1921304B
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Images
Classifications
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- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
- H03H9/703—Networks using bulk acoustic wave devices
- H03H9/706—Duplexers
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- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/0023—Balance-unbalance or balance-balance networks
- H03H9/0028—Balance-unbalance or balance-balance networks using surface acoustic wave devices
- H03H9/0033—Balance-unbalance or balance-balance networks using surface acoustic wave devices having one acoustic track only
- H03H9/0042—Balance-unbalance or balance-balance networks using surface acoustic wave devices having one acoustic track only the balanced terminals being on opposite sides of the track
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- H—ELECTRICITY
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- H03H9/02—Details
- H03H9/02007—Details of bulk acoustic wave devices
- H03H9/02157—Dimensional parameters, e.g. ratio between two dimension parameters, length, width or thickness
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- H—ELECTRICITY
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- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/05—Holders; Supports
- H03H9/0538—Constructional combinations of supports or holders with electromechanical or other electronic elements
- H03H9/0566—Constructional combinations of supports or holders with electromechanical or other electronic elements for duplexers
- H03H9/0576—Constructional combinations of supports or holders with electromechanical or other electronic elements for duplexers including surface acoustic wave [SAW] devices
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
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- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
- H03H9/14517—Means for weighting
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
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- H03H9/02—Details
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
- H03H9/14544—Transducers of particular shape or position
- H03H9/14547—Fan shaped; Tilted; Shifted; Slanted; Tapered; Arched; Stepped finger transducers
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- H03H9/14552—Transducers of particular shape or position comprising split fingers
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- H03H9/125—Driving means, e.g. electrodes, coils
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- H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
- H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
- H03H9/171—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator implemented with thin-film techniques, i.e. of the film bulk acoustic resonator [FBAR] type
- H03H9/172—Means for mounting on a substrate, i.e. means constituting the material interface confining the waves to a volume
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- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
- H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
- H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
- H03H3/04—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks for obtaining desired frequency or temperature coefficient
- H03H2003/0414—Resonance frequency
- H03H2003/0421—Modification of the thickness of an element
- H03H2003/0428—Modification of the thickness of an element of an electrode
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- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
- H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
- H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
- H03H3/04—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks for obtaining desired frequency or temperature coefficient
- H03H2003/0414—Resonance frequency
- H03H2003/0421—Modification of the thickness of an element
- H03H2003/0435—Modification of the thickness of an element of a piezoelectric layer
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
- H03H9/14517—Means for weighting
- H03H9/14526—Finger withdrawal
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Abstract
Description
Claims (8)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005244644A JP5039290B2 (ja) | 2005-08-25 | 2005-08-25 | フィルタおよびアンテナ分波器 |
JP2005-244644 | 2005-08-25 | ||
JP2005244644 | 2005-08-25 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA2009101503897A Division CN101588162A (zh) | 2005-08-25 | 2006-08-25 | 滤波器以及天线分波器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1921304A CN1921304A (zh) | 2007-02-28 |
CN1921304B true CN1921304B (zh) | 2010-05-12 |
Family
ID=37497860
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA2009101503897A Pending CN101588162A (zh) | 2005-08-25 | 2006-08-25 | 滤波器以及天线分波器 |
CN2006101265518A Active CN1921304B (zh) | 2005-08-25 | 2006-08-25 | 滤波器以及天线分波器 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA2009101503897A Pending CN101588162A (zh) | 2005-08-25 | 2006-08-25 | 滤波器以及天线分波器 |
Country Status (5)
Country | Link |
---|---|
US (2) | US7741930B2 (zh) |
EP (1) | EP1758246B1 (zh) |
JP (1) | JP5039290B2 (zh) |
KR (1) | KR100790278B1 (zh) |
CN (2) | CN101588162A (zh) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5039290B2 (ja) * | 2005-08-25 | 2012-10-03 | 太陽誘電株式会社 | フィルタおよびアンテナ分波器 |
US20080101263A1 (en) * | 2006-10-30 | 2008-05-01 | Skyworks Solutions, Inc. | Single-ended to differential duplexer filter |
JP5079813B2 (ja) | 2007-08-30 | 2012-11-21 | 京セラ株式会社 | 電子部品 |
DE102008045346B4 (de) * | 2008-09-01 | 2018-06-07 | Snaptrack Inc. | Duplexer und Verfahren zum Erhöhen der Isolation zwischen zwei Filtern |
JP5332506B2 (ja) * | 2008-10-28 | 2013-11-06 | 株式会社村田製作所 | ラダー型フィルタ及びそれを備えるデュプレクサ |
US8339220B2 (en) * | 2009-09-16 | 2012-12-25 | Lojack Operating Company, Lp | Surface acoustic wave resonator filter |
KR101387447B1 (ko) * | 2010-01-28 | 2014-04-21 | 가부시키가이샤 무라타 세이사쿠쇼 | 탄성표면파 필터장치 |
JP5105026B2 (ja) * | 2010-03-12 | 2012-12-19 | 株式会社村田製作所 | 弾性波共振子及びラダー型フィルタ |
KR101716335B1 (ko) | 2010-12-03 | 2017-03-15 | 삼성전자주식회사 | Bawr을 이용한 저역 통과 필터 |
WO2015045793A1 (ja) * | 2013-09-26 | 2015-04-02 | 株式会社村田製作所 | 共振回路及び高周波フィルタ |
JP6406266B2 (ja) * | 2014-01-10 | 2018-10-17 | 株式会社村田製作所 | 高周波モジュール |
JP6327259B2 (ja) | 2014-02-10 | 2018-05-23 | 株式会社村田製作所 | 可変フィルタ回路および無線通信装置 |
DE102014111912A1 (de) | 2014-08-20 | 2016-02-25 | Epcos Ag | HF-Filter |
DE102014111901B4 (de) * | 2014-08-20 | 2019-05-23 | Snaptrack, Inc. | Duplexer |
CN104242980B (zh) * | 2014-09-01 | 2016-08-31 | 苏州大学 | 一种基于RF能量检测的Sub-1G射频前端电路设计及参数调整方法 |
JP6344161B2 (ja) * | 2014-09-03 | 2018-06-20 | 株式会社村田製作所 | ラダー型フィルタ及びデュプレクサ |
JP6302394B2 (ja) * | 2014-10-21 | 2018-03-28 | 太陽誘電株式会社 | 分波器 |
DE112015005349B4 (de) * | 2014-11-28 | 2023-05-04 | Murata Manufacturing Co., Ltd. | Vorrichtung für elastische Wellen |
JP6710161B2 (ja) * | 2014-12-26 | 2020-06-17 | 京セラ株式会社 | 弾性波装置 |
JP6408592B2 (ja) * | 2015-01-27 | 2018-10-17 | 京セラ株式会社 | フィルタ,分波器および通信装置 |
CN107408937B (zh) * | 2015-03-30 | 2020-09-25 | 株式会社村田制作所 | 高频率滤波器、前端电路以及通信设备 |
KR102116677B1 (ko) * | 2016-03-08 | 2020-05-29 | 가부시키가이샤 무라타 세이사쿠쇼 | 탄성파 장치 |
JP6556094B2 (ja) * | 2016-05-11 | 2019-08-07 | 太陽誘電株式会社 | フィルタおよびマルチプレクサ |
WO2019211926A1 (ja) * | 2018-05-02 | 2019-11-07 | 株式会社村田製作所 | 共振子及び共振装置 |
DE102019210495A1 (de) | 2018-07-18 | 2020-01-23 | Skyworks Solutions, Inc. | Paralleles akustisches hybridpassivfilter |
KR20200131528A (ko) * | 2019-05-14 | 2020-11-24 | 삼성전기주식회사 | 체적 음향 공진기를 포함하는 필터 |
DE102019119239A1 (de) * | 2019-07-16 | 2021-01-21 | RF360 Europe GmbH | Multiplexer |
CN115242216A (zh) * | 2022-06-29 | 2022-10-25 | 河源市艾佛光通科技有限公司 | 一种fbar滤波器及多阶梯型滤波器 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6469598B2 (en) * | 2001-03-12 | 2002-10-22 | Matsushita Electric Industrial Co., Ltd. | SAW filter with unidirectional transducer and communication apparatus using the same |
CN1496000A (zh) * | 2002-09-18 | 2004-05-12 | Nrs技术有限公司 | 表面声波滤波器 |
CN1518219A (zh) * | 2003-01-16 | 2004-08-04 | ������������ʽ���� | 梯形滤波器,分路滤波器,以及通信设备 |
US6898831B2 (en) * | 2000-07-31 | 2005-05-31 | Murata Manufacturing Co., Ltd. | Method of producing a surface acoustic wave device |
CN1638273A (zh) * | 2003-12-22 | 2005-07-13 | 因芬尼昂技术股份公司 | 薄膜体声波共振器阶梯滤波器及其接地方法 |
Family Cites Families (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54163655A (en) * | 1978-06-15 | 1979-12-26 | Nippon Electric Co | Method of constituting ladderrtype piezooelectric porcelain filter |
JPS616917A (ja) * | 1984-06-20 | 1986-01-13 | Kazuhiko Yamanouchi | 電極幅の変化を用いた内部反射型一方向性弾性表面波変換器 |
JP3614234B2 (ja) * | 1996-03-14 | 2005-01-26 | 沖電気工業株式会社 | 共振器型弾性表面波フィルタ |
JP3226472B2 (ja) * | 1996-05-14 | 2001-11-05 | 富士通株式会社 | 弾性表面波多重モードフィルタ |
US5933062A (en) * | 1997-11-04 | 1999-08-03 | Motorola Inc. | Acoustic wave ladder filter with effectively increased coupling coefficient and method of providing same |
JP3280617B2 (ja) * | 1998-02-27 | 2002-05-13 | 東洋通信機株式会社 | 広帯域表面波フィルタ |
US6081171A (en) * | 1998-04-08 | 2000-06-27 | Nokia Mobile Phones Limited | Monolithic filters utilizing thin film bulk acoustic wave devices and minimum passive components for controlling the shape and width of a passband response |
JP3387469B2 (ja) * | 2000-01-18 | 2003-03-17 | 株式会社村田製作所 | 弾性表面波装置及び弾性表面波フィルタ |
US6437667B1 (en) * | 2000-02-04 | 2002-08-20 | Agere Systems Guardian Corp. | Method of tuning thin film resonator filters by removing or adding piezoelectric material |
JP3449352B2 (ja) * | 2000-02-07 | 2003-09-22 | 株式会社村田製作所 | 弾性表面波フィルタ |
JP3419402B2 (ja) * | 2001-04-16 | 2003-06-23 | 株式会社村田製作所 | 弾性表面波装置、通信装置 |
WO2001082480A1 (fr) * | 2000-04-24 | 2001-11-01 | Mitsubishi Denki Kabushiki Kaisha | Filtre a ondes acoustiques de surface a couplage vertical |
JP3432492B2 (ja) * | 2000-09-28 | 2003-08-04 | 富士通株式会社 | 弾性表面波共振器及びこれを用いた弾性表面波フィルタ |
JP3824498B2 (ja) * | 2000-09-28 | 2006-09-20 | 富士通株式会社 | 弾性表面波フィルタ |
JP3979073B2 (ja) * | 2000-12-06 | 2007-09-19 | 株式会社村田製作所 | 圧電共振子、圧電フィルタおよびデュプレクサ |
JP3824499B2 (ja) * | 2001-04-20 | 2006-09-20 | 富士通株式会社 | 弾性表面波共振子及び弾性表面波フィルタ |
JP2002319836A (ja) | 2001-04-24 | 2002-10-31 | Alps Electric Co Ltd | ラダー型フィルタ |
JP3940887B2 (ja) | 2001-05-11 | 2007-07-04 | 宇部興産株式会社 | 薄膜圧電共振器を用いた送受切換器 |
JP4599758B2 (ja) * | 2001-05-23 | 2010-12-15 | エプソントヨコム株式会社 | 弾性表面波共振子及びラダー型弾性表面波フィルタ |
JP2003069382A (ja) | 2001-08-27 | 2003-03-07 | Matsushita Electric Ind Co Ltd | 弾性表面波フィルタとそれを用いたアンテナ共用器 |
JP3963253B2 (ja) * | 2001-12-14 | 2007-08-22 | 富士通メディアデバイス株式会社 | 弾性表面波素子及びこれを用いた分波器 |
JP2003198317A (ja) * | 2001-12-21 | 2003-07-11 | Fujitsu Media Device Kk | 弾性表面波共振子及び弾性表面波フィルタ |
JP2003258595A (ja) * | 2002-02-27 | 2003-09-12 | Fujitsu Media Device Kk | 弾性表面波装置 |
JP3853252B2 (ja) * | 2002-05-16 | 2006-12-06 | 富士通メディアデバイス株式会社 | 弾性表面波素子 |
JP3855842B2 (ja) * | 2002-05-16 | 2006-12-13 | 株式会社村田製作所 | 弾性表面波分波器およびそれを有する通信装置 |
JP2004007094A (ja) * | 2002-05-30 | 2004-01-08 | Kyocera Corp | 弾性表面波装置 |
JP4055651B2 (ja) * | 2002-06-13 | 2008-03-05 | 株式会社村田製作所 | 表面波装置 |
JP2003163575A (ja) * | 2002-09-13 | 2003-06-06 | Murata Mfg Co Ltd | 複合sawフィルタ及びsawフィルタ |
JP4170865B2 (ja) * | 2002-09-18 | 2008-10-22 | 日本電波工業株式会社 | Sawフィルタ |
JP3764731B2 (ja) * | 2002-10-18 | 2006-04-12 | 富士通メディアデバイス株式会社 | 多重モード弾性表面波フィルタ及び分波器 |
JP2004173245A (ja) * | 2002-10-30 | 2004-06-17 | Murata Mfg Co Ltd | ラダー型フィルタ、分波器、および通信機 |
JP4096845B2 (ja) * | 2002-11-08 | 2008-06-04 | 株式会社村田製作所 | 分波器および通信装置 |
AU2003274553A1 (en) * | 2002-11-19 | 2004-06-15 | Koninklijke Philips Electronics N.V. | Duplexer and method of isolating an rx-band and a tx-band |
EP1658670B1 (de) * | 2003-08-25 | 2008-01-23 | Tele Filter GmbH | Oszillator mit akustischen oberflächenwellenresonatoren |
US7301420B2 (en) * | 2003-11-20 | 2007-11-27 | Matsushita Electric Industrial Co., Ltd. | Piezoelectric resonator filter |
KR100785242B1 (ko) * | 2003-12-16 | 2007-12-12 | 가부시키가이샤 무라타 세이사쿠쇼 | 탄성 경계파 장치 |
JP2005184143A (ja) * | 2003-12-16 | 2005-07-07 | Murata Mfg Co Ltd | 弾性表面波分波器、通信機 |
JP2005244644A (ja) | 2004-02-26 | 2005-09-08 | Kyocera Corp | 圧電発振器 |
JP4697528B2 (ja) * | 2004-06-02 | 2011-06-08 | 太陽誘電株式会社 | 弾性波装置 |
JP5039290B2 (ja) * | 2005-08-25 | 2012-10-03 | 太陽誘電株式会社 | フィルタおよびアンテナ分波器 |
-
2005
- 2005-08-25 JP JP2005244644A patent/JP5039290B2/ja active Active
-
2006
- 2006-08-23 EP EP06254410.1A patent/EP1758246B1/en not_active Expired - Fee Related
- 2006-08-24 US US11/509,056 patent/US7741930B2/en active Active
- 2006-08-24 KR KR20060080365A patent/KR100790278B1/ko active IP Right Grant
- 2006-08-25 CN CNA2009101503897A patent/CN101588162A/zh active Pending
- 2006-08-25 CN CN2006101265518A patent/CN1921304B/zh active Active
-
2010
- 2010-02-05 US US12/700,876 patent/US8330558B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6898831B2 (en) * | 2000-07-31 | 2005-05-31 | Murata Manufacturing Co., Ltd. | Method of producing a surface acoustic wave device |
US6469598B2 (en) * | 2001-03-12 | 2002-10-22 | Matsushita Electric Industrial Co., Ltd. | SAW filter with unidirectional transducer and communication apparatus using the same |
CN1496000A (zh) * | 2002-09-18 | 2004-05-12 | Nrs技术有限公司 | 表面声波滤波器 |
CN1518219A (zh) * | 2003-01-16 | 2004-08-04 | ������������ʽ���� | 梯形滤波器,分路滤波器,以及通信设备 |
CN1638273A (zh) * | 2003-12-22 | 2005-07-13 | 因芬尼昂技术股份公司 | 薄膜体声波共振器阶梯滤波器及其接地方法 |
Also Published As
Publication number | Publication date |
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KR20070024397A (ko) | 2007-03-02 |
CN101588162A (zh) | 2009-11-25 |
JP2007060412A (ja) | 2007-03-08 |
JP5039290B2 (ja) | 2012-10-03 |
KR100790278B1 (ko) | 2008-01-02 |
EP1758246B1 (en) | 2019-04-03 |
EP1758246A2 (en) | 2007-02-28 |
US7741930B2 (en) | 2010-06-22 |
US20100134203A1 (en) | 2010-06-03 |
EP1758246A3 (en) | 2010-09-29 |
CN1921304A (zh) | 2007-02-28 |
US20070046394A1 (en) | 2007-03-01 |
US8330558B2 (en) | 2012-12-11 |
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